Alex Lacamoire is an American composer, orchestrator, and musical director.

He is one of the most celebrated and prolific musical minds in modern theater, known for his transformative orchestrations and musical direction for era-defining productions such as In the Heights, Hamilton, and Dear Evan Hansen. His diverse career spans both stage and screen, including serving as executive music producer for the film The Greatest Showman and working on acclaimed projects like Wicked, Fosse/Verdon, and the film adaptation of Tick, Tick... Boom!.